2007•Chemical ReagentsRequires access

Study on the simultaneous determination of Zn(II) in food based on pre-separation/enrichment by attapulgite with FAAS

Yongsheng Yan

Abstract

A new method was proposed for the determination of Zn(Ⅱ) using attapulgite as the solid-phase extracting agent.The adsorption behavior of attapulgite towards Zn(Ⅱ) was investigated by FAAS.The Zn(Ⅱ) content in food samples was determined,with the recovery rate exceeding 95%.The zinc detection limit was 0.2 mg/L and the relative standard deviation was 2.4%(for Zn(Ⅱ):0.20 mg/L,n=9).

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Key concepts: Chemistry, Relative standard deviation, Detection limit, Zinc, Recovery rate, Chromatography, Adsorption, Analytical Chemistry (journal)